1、Unit 7 Protect the Earth (Story time)教案教案 教教学学目标：目标： 1.学习句型 use to的用法。 2.掌握情态动词 should 的用法。 3.能听懂、会说、会读 protect, Earth, save, useful ,waste, reuse , energy, most, come from, coal,wood, cut down, too many, plastic, too much。 4.能懂、会说、会读、会写 use , much, oil , drive, other, glass, collect。 We useto We sh
2、ould. We shouldnt. 5.能正确朗读课文。 教学重点：教学重点： 1.useto 和 should 的用法。 2.正确理解并朗读课文。 教学难点：教学难点： 1.三会单词的掌握。 2.useto 和 should 的用法。 教学具准备：教学具准备： 光盘单词卡片，课文图片，PPT 教学过程：教学过程： Step 1:Enjoy a story 1.Amother and her son 讲故事过程中教授：Coal、oil、wood 2.（出示地球图片）Mother Earth 地球母亲 T:We have only one Earth.Lets protect the Eart
3、h! 揭示课题：Protect the Earth Step 2：Green Guards Needed:招募绿色环保小卫士招募绿色环保小卫士 Task 1. Try to know four ways to protect the Earth. 1.快速浏览课本 P68，找出保护地球的四种方法。 2.Choose one title for each picture (为每幅图选一个主题）. A:Save waterB: Save energy C:Save energyD:Dont use too much plastic 2.（出示饼图）Energy used in China 70%
4、coal18% oil Most of（大多数）our energy comes from coal and oil. 3.Energy comes from_ too. 介绍其他能源（wind energy、water energy、solar energy、nuclear energy） Task 2. Try to know the use (用处) of them. 1.Watch the cartoon and find out the use of them. We use water toA. make things and help keep the air clean We
5、use energy toB. drink and clean We use trees toC. make bags and bottles We use plastic toD. drive cars Task 3. Try to know the problems of them. 1.Read the passage loudly and then discuss the problems of them with your deskmate. (同桌讨论它们面临的问题). waterIn many places, there is not much water. (PPT 出示干旱地
6、区照片） energyThere is not much coal or oil on Earth. treesPeople cut down（砍伐） too many trees. plasticPeople use too much plastic. 2.Difference between many and much Tip:many, much 都表示许多， many 修饰可数名词，much 修饰不可数名词。 Exercise: 1. Too _plastic is bad for the earth. 2. People use too _ plastic bags and bott
7、les. Task 4 : We know the solutions(解决方法) of the problems. 1.Read the passage carefully and fill in the blanks on P70. What should /shouldnt we do ? We should save _ and _ water. We should not _ water. We should _ energy. We should not _ so much. We should _ trees. We should not _ _ too many trees.
8、We should not use too many _ bags or bottles. We should use _ bags and _ bottles. 图片讲解：reuse =use again T:We should reuse water. Step 3: Enjoy Reading 跟读课文一遍 Step4: Try to be a spokesman 尝试做一名“保护地球”发言人。 1. Tips：选择你喜欢的一项环保内容，根据下面图表进行演讲。可以加上自己的 语言哦！ 2.Lets talk Choose one part and make dialogues with
9、your partners. 选择一个主题，和你的搭档来说说对话吧。 A: Whats the use of?B: We useto A: Whats the problem of?B: A: What should we do with?B: We should/should not Step5: Return to the story 1.T: How to make the mother happy? Make up the story: To make the mother happy, we should We shouldnt 2.watch a video: 5 to do today T:The son comes back . T: Protect the earth, Start from now!Start from me! Step6:Homework 1.Read the story and try to retell the story. 2.Finish the exercise (P70). 3.上网查找更多保护地球的方法，并且从自身做起。 WhatUse(use.to.)ProblemSolutions water energy trees plastic
